Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method for collecting facial information, applicable to a terminal device comprising a facial information collection apparatus and a touch display screen, comprising: displaying a background image on the touch display screen, wherein a brightness of the background image is greater than or equal to a first brightness, and light emitted from the touch display screen and the background image is configured to illuminate a face of a user; and collecting, by the facial information collection apparatus, the facial information of the user with the face illuminated by the light emitted from the touch display screen and the background image; wherein when a sum of the brightness of the background image and the brightness of the present ambient light is greater than or equal to a second brightness, the method further comprises: enabling the brightness of the touch display screen to be smaller than the brightness of the background image, and the second brightness is a minimum value of the sum of the brightness of the background image and the brightness of the present ambient light as an auxiliary light source to illuminate the face of the user when the terminal device collects the facial information in a dark visual environment.
This invention relates to a method for collecting facial information using a terminal device equipped with a facial information collection apparatus and a touch display screen. The method addresses challenges in capturing clear facial data in varying lighting conditions, particularly in low-light environments where traditional illumination techniques may fail. The method involves displaying a background image on the touch display screen with a brightness level that is at least as high as a first brightness threshold. The light emitted from the display screen and the background image serves to illuminate the user's face, enabling the facial information collection apparatus to capture facial data under controlled lighting conditions. To optimize performance in dark environments, the method adjusts the display screen's brightness to be lower than the background image's brightness when the combined brightness of the background image and ambient light meets or exceeds a second brightness threshold. This second threshold represents the minimum combined brightness required for the background image to act as an effective auxiliary light source, ensuring reliable facial information collection even in low-light scenarios. The system dynamically adapts to ambient conditions, enhancing accuracy and usability in diverse visual environments.
2. The method according to claim 1 , wherein the method further comprises: detecting a brightness of present ambient light; and displaying the background image on the touch display screen comprises: displaying the background image at a brightness corresponding to the brightness of the present ambient light on the touch display screen according to a mapping relation between the brightness of the present ambient light and the brightness of the background image.
This invention relates to a method for dynamically adjusting the brightness of a background image displayed on a touch display screen based on ambient light conditions. The problem addressed is the need to optimize the visibility and energy efficiency of a touch display screen by adapting its background brightness to the surrounding lighting environment. The method involves detecting the current brightness of ambient light using a light sensor or similar means. Once the ambient brightness is measured, the background image displayed on the touch display screen is adjusted to a corresponding brightness level. This adjustment follows a predefined mapping relation that links ambient light brightness to the appropriate background image brightness. The mapping ensures that the background image remains clearly visible while minimizing unnecessary power consumption. For example, in bright ambient conditions, the background image may be displayed at a higher brightness, whereas in dimmer environments, the brightness is reduced to conserve energy and reduce eye strain. The method may also include additional steps such as calibrating the light sensor, updating the mapping relation based on user preferences, or dynamically adjusting the brightness in real-time as ambient light conditions change. The goal is to provide an adaptive display solution that enhances user experience while optimizing power efficiency.
3. The method according to claim 2 , wherein detecting the brightness of the present ambient light comprises: detecting the brightness of present ambient light within a predetermined space range by an ambient light sensor of the terminal device.
This invention relates to ambient light detection in terminal devices, addressing the need for accurate and localized brightness measurements to optimize display settings or other light-sensitive functions. The method involves using an ambient light sensor integrated into the terminal device to measure the brightness of ambient light within a predefined spatial range. The sensor captures light intensity data from the surrounding environment, enabling the device to adjust display brightness, power consumption, or other light-dependent operations dynamically. The predetermined space range ensures that the measurement is localized to the device's immediate surroundings, improving accuracy and relevance. This approach enhances user experience by adapting to changing lighting conditions without manual intervention, while also conserving energy by avoiding unnecessary adjustments. The method is particularly useful in portable devices like smartphones, tablets, or wearable electronics, where ambient light conditions can vary frequently. By leveraging the terminal device's built-in sensor, the solution avoids the need for external hardware, simplifying implementation and reducing costs. The invention ensures that the brightness detection is both precise and contextually appropriate, improving device functionality in diverse environments.
4. The method according to claim 2 , wherein when there are a plurality of background images corresponding to the brightness of the present ambient light, displaying the background image at a brightness corresponding to the brightness of the present ambient light on the touch display screen comprises: selecting a background image from the plurality of background images according to a preset rule; and displaying the selected background image on the touch display screen.
This invention relates to adaptive display systems for electronic devices, specifically methods for dynamically adjusting background images on a touch display screen based on ambient light conditions. The problem addressed is the need for displays to adapt to varying lighting environments to improve visibility and user experience without manual adjustments. The method involves selecting and displaying a background image from a set of pre-stored images, where each image corresponds to a specific brightness level of ambient light. When multiple background images match the current ambient brightness, the system selects one according to predefined rules, such as prioritizing the closest match or cycling through available options. The selected image is then displayed on the touch screen, ensuring optimal contrast and readability in the current lighting conditions. This approach enhances usability by automatically adjusting visual output to environmental changes, reducing eye strain and improving interaction efficiency. The system may also include additional steps, such as detecting ambient light levels and categorizing them into predefined brightness ranges, to facilitate the selection process. The invention aims to provide a seamless, user-friendly display adaptation mechanism that operates without manual intervention.
5. The method according to claim 4 , wherein the preset rule comprises at least one of: selecting the background image randomly from the plurality of background images; selecting the background image from the plurality of background images based on a color of the background image and a predetermined color sequence; selecting the background image with maximum brightness from the plurality of background images; and acquiring a browsing history record of the user within a preset time period, determining preference of the user according to the browsing history record, and selecting the background image associated with the preference from the plurality of background images.
This invention relates to a method for dynamically selecting and displaying background images in a user interface, addressing the challenge of providing visually appealing and personalized background displays. The method involves storing multiple background images and applying preset rules to select an appropriate image for display. The selection process can be based on random selection, color matching with a predetermined sequence, brightness optimization, or user preference analysis. For user preference-based selection, the method retrieves the user's browsing history within a specified timeframe, analyzes the data to determine the user's interests, and selects a background image associated with those preferences. The system ensures that the background image enhances the visual experience by adapting to user behavior or predefined criteria, improving engagement and personalization. The method may also include adjusting the display parameters of the selected background image, such as resolution or aspect ratio, to optimize its presentation on the user interface. This approach enhances user satisfaction by tailoring the background display to individual preferences or system-defined rules.
6. The method according to claim 2 , further comprising: when displaying the background image, adjusting a brightness of the touch display screen to a brightness corresponding to the brightness of the present ambient light according to a mapping relation between the brightness of the present ambient light and the brightness of the touch display screen.
This invention relates to touch display systems that adjust screen brightness based on ambient light conditions. The problem addressed is the need for dynamic brightness control in touch display screens to enhance visibility and energy efficiency under varying lighting environments. The method involves a touch display screen that automatically adjusts its brightness in response to changes in ambient light. When displaying a background image, the system measures the current ambient light brightness and uses a predefined mapping relation to determine the optimal screen brightness. This mapping relation defines how the screen brightness should be adjusted to match or complement the ambient light level, ensuring comfortable viewing conditions. The adjustment process is continuous, allowing the display to adapt seamlessly as lighting conditions change. The invention may also include additional features such as touch input detection, where the system differentiates between intentional touch interactions and unintended touches, such as those caused by environmental factors. This ensures that touch inputs are accurately processed while minimizing false activations. The brightness adjustment is synchronized with the display of background images, ensuring that visual content remains clearly visible under different lighting scenarios. By dynamically adjusting screen brightness based on ambient light, the invention improves user experience, reduces eye strain, and optimizes power consumption in touch display devices.
7. The method according to claim 2 , further comprising: when displaying the background image, adjusting a brightness of the touch display screen to a fixed brightness.
A method for enhancing display visibility on a touch-sensitive screen involves adjusting the screen's brightness to a fixed level when displaying a background image. This technique is particularly useful in environments where ambient lighting conditions vary, as it ensures consistent visibility of the background image regardless of external lighting changes. The method may be part of a broader system for managing display settings on electronic devices, such as smartphones, tablets, or digital signage, where maintaining optimal brightness is critical for user experience. By fixing the brightness at a predetermined level, the method prevents automatic adjustments that could otherwise reduce clarity or readability of the background content. This approach may also reduce power consumption by avoiding unnecessary brightness fluctuations. The method can be applied in conjunction with other display optimization techniques, such as contrast or color calibration, to further improve visual quality. The fixed brightness setting ensures that the background image remains legible and visually consistent, enhancing usability in dynamic lighting conditions.
8. The method according to claim 1 , wherein enabling the brightness of the touch display screen to be smaller than the brightness of the background image comprises: adjusting the brightness of the touch display screen to minimum.
A method for optimizing display brightness in electronic devices with touch display screens and background images addresses the problem of excessive power consumption and visual discomfort caused by high screen brightness. The invention involves dynamically adjusting the brightness of the touch display screen relative to the background image to improve energy efficiency and user experience. Specifically, the method reduces the brightness of the touch display screen to a level lower than that of the background image, ensuring the screen remains visible while minimizing power usage. In one implementation, the brightness of the touch display screen is set to its minimum level to achieve the desired effect. This approach is particularly useful in devices where the background image is displayed on a separate, non-touch display, such as in dual-display systems or devices with a touch overlay on a static background. The method enhances readability and reduces eye strain by maintaining a balanced contrast between the touch display and the background, while also conserving battery life by minimizing unnecessary brightness levels. The invention is applicable in various electronic devices, including smartphones, tablets, and digital signage systems, where power efficiency and visual comfort are critical.
9. The method according to claim 1 , further comprising: when displaying the background image, displaying a face photographing prompt on a displaying interface of the touch display screen to remind the user a time difference between a time of displaying the background image and a time of collecting the face of the user, wherein the time difference is smaller than or equal to a preset threshold.
This invention relates to user interface systems for face recognition, particularly in devices with touch display screens. The problem addressed is ensuring timely and accurate face data collection for authentication or other purposes, where delays between displaying a background image and capturing the user's face can lead to errors or security risks. The method involves displaying a background image on a touch display screen, followed by a face photographing prompt that informs the user of the time difference between the background display and the face capture process. The prompt ensures this time difference remains within a preset threshold, minimizing delays that could compromise recognition accuracy. The system may also include a face recognition module that processes the captured face data for authentication or other applications. The background image may be part of a user interface designed to guide the user through the face recognition process, while the prompt dynamically adjusts based on real-time conditions to maintain system reliability. This approach enhances security and usability by ensuring consistent and timely face data collection.
10. The method according to claim 9 , wherein displaying the face photographing prompt on the displaying interface of the touch display screen comprises: popping out a face photographing prompt box on the displaying interface of the touch display screen; and displaying the face photographing prompt in the face photographing prompt box, wherein the face photographing prompt comprises at least one of a text prompt, a digital prompt, an animation prompt and a voice prompt.
This invention relates to a method for prompting a user to take a face photograph using a touch display screen. The problem addressed is the need for an effective way to guide users to capture clear and properly positioned face images, which is important for applications like biometric authentication, identity verification, or user registration. The method involves displaying a face photographing prompt on the touch display screen to instruct the user on how to position their face for the photograph. The prompt is presented in a dedicated face photographing prompt box that appears on the screen. The prompt itself can include various forms of guidance, such as text instructions, digital indicators (e.g., alignment guides), animated visuals, or voice instructions, ensuring the user understands how to properly frame their face for the image capture. This approach enhances user experience by providing clear, multi-modal feedback, reducing the likelihood of improperly captured images and improving the efficiency of face recognition or verification processes. The method is particularly useful in devices with integrated cameras and touchscreens, such as smartphones, tablets, or kiosks.
11. The method according to claim 1 , further comprising: matching the facial information of the user collected by the facial information collection apparatus with a face template; performing an event to be processed when the facial information of the user is matched with the face template.
This invention relates to a method for processing events based on facial recognition. The method involves collecting facial information of a user using a facial information collection apparatus, such as a camera or sensor. The collected facial information is then matched against a pre-stored face template. When a match is found, an event to be processed is triggered. The event may include actions such as unlocking a device, granting access to a system, or initiating a specific application or function. The method ensures secure and personalized interactions by verifying the user's identity through facial recognition before executing the event. This approach enhances security and convenience in applications where user authentication is required, such as smart devices, security systems, or personalized services. The system may also include additional steps, such as capturing the user's facial information, storing the face template in a database, and comparing the collected data with the stored template to determine a match. The method ensures that only authorized users can trigger the event, preventing unauthorized access or misuse.
12. The method according to claim 11 , wherein when the event to be processed is a screen unlocking event and the terminal device is in a black screen state, the method further comprises: illuminating the touch display screen of the terminal device before displaying the background image on the touch display screen.
This invention relates to methods for processing events in terminal devices, particularly focusing on optimizing display behavior during screen unlocking. The problem addressed is the delay or inefficiency in displaying content when a terminal device transitions from a black screen state to an active state upon unlocking. The solution involves illuminating the touch display screen before rendering the background image, ensuring a smoother and more responsive user experience. The method applies to terminal devices equipped with touch display screens and involves detecting an event, such as a screen unlocking event, while the device is in a black screen state. Upon detecting such an event, the touch display screen is illuminated before the background image is displayed. This pre-illumination step reduces perceived latency and improves the visual transition from a locked to an unlocked state. The method may also include additional steps such as determining the type of event, processing the event, and displaying the background image after the screen is illuminated. The approach ensures that the display is ready to show content immediately after unlocking, enhancing user interaction efficiency. The invention is particularly useful in mobile devices, tablets, and other portable terminals where quick and responsive display behavior is critical.
13. The method according to claim 1 , wherein the background image displayed on the touch display screen is an image of a plurality of background images stored in a background image gallery in the terminal device, and the method further comprises: updating the plurality of background images in the background image gallery periodically, in which at least one background image in the updated background image gallery is different from the plurality of background images in the background image gallery before updating.
This invention relates to a method for managing background images on a touch display screen of a terminal device, such as a smartphone or tablet. The problem addressed is the static nature of background images, which can become monotonous over time, reducing user engagement and visual appeal. The method involves displaying a background image on the touch display screen, where the background image is selected from a plurality of background images stored in a background image gallery within the terminal device. To enhance user experience, the method includes periodically updating the background image gallery. During each update, at least one background image in the gallery is replaced with a new image, ensuring that the updated gallery contains at least one image that was not present before the update. This periodic refresh introduces variety and novelty, preventing visual fatigue and maintaining user interest. The updates may be automated, triggered by predefined intervals or events, and can be sourced from local storage, cloud-based repositories, or third-party services. The method ensures that users have access to a dynamic and evolving collection of background images, improving the overall aesthetic and functionality of the terminal device.
14. The method according to 13 , wherein updating the plurality of background images in the background image gallery periodically comprises: acquiring a behavior record of the user within a period of time; determining K topics that the user is interested in according to the behavior record; acquiring W images belonging to one of the K topics from images stored in the terminal device, in which the brightness of each of the W images is greater than or equal to the first brightness; and replacing W background images in the background image gallery with the W images, where K and W are positive integers.
This invention relates to dynamically updating background images on a terminal device based on a user's interests. The problem addressed is the static nature of traditional background images, which do not adapt to a user's evolving preferences. The solution involves periodically refreshing a background image gallery by analyzing the user's behavior to identify topics of interest and selecting high-quality images related to those topics. The method begins by acquiring a user's behavior record over a specified time period. This record may include browsing history, app usage, or other interactions. From this data, the system determines K topics that the user is interested in. Next, the system searches the terminal device's stored images for W images that belong to one of these K topics and meet a minimum brightness threshold. These W images are then used to replace W existing background images in the gallery, ensuring the displayed backgrounds remain relevant and visually appealing. The values of K and W are configurable positive integers, allowing flexibility in the number of topics and images updated. This approach ensures the background images dynamically reflect the user's current interests while maintaining visual quality.
15. The method according to 13 , wherein updating the plurality of background images in the background image gallery periodically comprises: acquiring M images added in the terminal device within a period of time; acquiring J images each with brightness greater than or equal to the first brightness from the M images; and replacing J background images in the background image gallery with the J images, where J is less than or equal to M, and M is an integer greater than 1.
This invention relates to a method for dynamically updating a background image gallery on a terminal device, such as a smartphone or tablet, to enhance user experience by refreshing the available background images. The problem addressed is the static nature of traditional background image galleries, which do not adapt to the user's evolving preferences or the device's usage patterns. The method involves periodically updating the background image gallery by acquiring M images from the terminal device within a specified time period. These images are typically user-captured photos or screenshots stored on the device. From these M images, the method selects J images that meet a brightness threshold, ensuring they are visually suitable for use as backgrounds. The selected J images then replace J existing background images in the gallery, where J is less than or equal to M, and M is an integer greater than 1. This ensures the gallery remains fresh and relevant without overwhelming the user with too many changes at once. The periodic updates maintain a balance between novelty and familiarity, improving user engagement with the device's visual interface.
16. A terminal device, comprising a front camera, a touch display screen and a processor, wherein, the processor is configured to control a background image to be displayed on the touch display screen, in which a brightness of the background image is greater than or equal to a first brightness, and light emitted from the touch display screen and the background image is configured to illuminate a face of a user; and the front camera is configured to collect the facial information of the user with the face illuminated by the light emitted from the touch display screen and the background image; wherein when a sum of the brightness of the background image and the brightness of the present ambient light is greater than or equal to a second brightness, the brightness of the touch display screen is smaller than the brightness of the background image, and the second brightness is a minimum value of the sum of the brightness of the background image and the brightness of the present ambient light as an auxiliary light source to illuminate the face of the user when the terminal device collects the facial information in a dark visual environment.
A terminal device includes a front camera, a touch display screen, and a processor. The processor controls a background image displayed on the touch display screen, where the background image has a brightness greater than or equal to a first brightness. The light emitted from the touch display screen and the background image illuminates a user's face, allowing the front camera to capture facial information under this illumination. In dark environments, the device adjusts the brightness of the touch display screen to be lower than the background image when the combined brightness of the background image and ambient light meets or exceeds a second brightness. The second brightness represents the minimum combined brightness required for the background image and ambient light to effectively illuminate the user's face during facial information collection. This ensures sufficient lighting for accurate facial recognition while optimizing power consumption by reducing the display screen's brightness when ambient conditions are adequate. The system dynamically adapts to varying lighting conditions to maintain reliable facial recognition performance.
17. The terminal device according to claim 16 , wherein, the processor is configured to acquire a brightness of present ambient light; the processor is configured to control the background image to be displayed on the touch display screen by an operation of: controlling the background image at a brightness corresponding to the brightness of the present ambient light to be displayed on the touch display screen according to a mapping relation between the brightness of the present ambient light and the brightness of the background image.
This invention relates to a terminal device with adaptive display functionality for adjusting background image brightness based on ambient light conditions. The device includes a touch display screen and a processor that dynamically modifies the brightness of a background image to match the current ambient light level. The processor acquires the brightness of the present ambient light and uses a predefined mapping relation to determine the appropriate brightness for the background image. The background image is then displayed on the touch display screen at this calculated brightness, ensuring visual comfort and energy efficiency by adapting to changing environmental lighting. The system may also include additional features such as a touch sensor for user input and a housing to support the display and processor components. The adaptive brightness control helps reduce eye strain and power consumption by automatically optimizing the display output for the surrounding light conditions.
18. The terminal device according to claim 17 , wherein, when the processor controls the background image to be displayed on the touch display screen, the processor is further configured to: control a brightness of the touch display screen to be adjusted to a brightness corresponding to the brightness of the present ambient light according to a mapping relation between the brightness of the present ambient light and the brightness of the touch display screen.
This invention relates to terminal devices with touch display screens, specifically addressing the challenge of optimizing display brightness in response to ambient lighting conditions. The device includes a processor, a touch display screen, and an ambient light sensor. The processor is configured to detect ambient light brightness using the sensor and adjust the display screen's brightness accordingly. When displaying a background image, the processor further ensures the screen brightness matches the ambient light brightness based on a predefined mapping relation between the two. This mapping relation defines how the display brightness should change in response to variations in ambient light, ensuring optimal visibility and energy efficiency. The system dynamically adapts the display brightness to maintain readability in different lighting environments while minimizing power consumption. The invention enhances user experience by automatically adjusting the screen brightness to suit the surrounding conditions, reducing manual adjustments and improving battery life. The ambient light sensor continuously monitors light levels, and the processor applies the mapping relation to determine the appropriate display brightness, ensuring seamless and responsive adjustments. This solution is particularly useful for portable devices where power efficiency and user convenience are critical.
19. A non-transitory computer readable storage medium for storing computer programs for exchanging digital data, wherein the computer programs are executed to cause a computer performing a method for collecting facial information, comprising: displaying a background image on the touch display screen, wherein a brightness of the background image is greater than or equal to a first brightness, and light emitted from the touch display screen and the background image is configured to illuminate a face of a user; and collecting, by the facial information collection apparatus, the facial information of the user whose face is illuminated by the light emitted from the touch display screen and the background image; wherein when a sum of the brightness of the background image and the brightness of the present ambient light is greater than or equal to a second brightness, the method further comprises: enabling the brightness of the touch display screen to be smaller than the brightness of the background image, and the second brightness is a minimum value of the sum of the brightness of the background image and the brightness of the present ambient light as an auxiliary light source to illuminate the face of the user when the terminal device collects the facial information in a dark visual environment.
This invention relates to a system for collecting facial information in varying lighting conditions. The problem addressed is ensuring accurate facial recognition in environments with insufficient ambient light, where traditional methods may fail due to poor illumination. The solution involves a computer-readable storage medium storing programs that, when executed, perform a method for collecting facial information using a touch display screen. The method displays a background image on the screen with a brightness level that is at least a first brightness threshold, where the emitted light from the screen and background image illuminates the user's face. The system then collects facial information from the illuminated face. If the combined brightness of the background image and ambient light meets or exceeds a second brightness threshold, the method adjusts the screen's brightness to be lower than the background image's brightness. The second brightness threshold is defined as the minimum combined brightness required to effectively illuminate the user's face in dark environments, ensuring reliable facial information collection. This approach optimizes lighting conditions dynamically, improving facial recognition performance in low-light scenarios.
Unknown
June 16, 2020
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